Cutter pressing plate with anti-breaking structure

The utility model relates to the technical field of knife pressing plates, and discloses a knife pressing plate with an anti-breaking structure, which comprises a knife pressing plate, a triangular support rod I is rotatably connected in the knife pressing plate, a pressure relief spring is movably connected to the lower end of the middle of the triangular support rod I, and a first anti-breaking structure is arranged in the middle of the pressure relief spring. The upper end of the first triangular supporting rod is rotationally connected with a supporting plate, the right side of the interior of the knife pressing plate is rotationally connected with a second triangular supporting rod, a hard steel layer is arranged at the upper end of the supporting plate, an air pressure pipe is arranged at the lower end of the supporting plate, the air pressure pipe comprises air pressure, and the upper end of the air pressure pipe is slidably connected with an upper supporting rod. When pressure is generated through the